<template>
  <div class="tab-control">
      <!-- 只是文字不同时，没有必要使用插槽 -->
      <div v-for="(item,index) in titles" :key="index" 
           class="tab-control-item" 
           :class="{active :index === currentIndex}"
           @click="itemClick(index)">
          <span>{{item}}</span>
      </div>
  </div>
</template>

<script>
export default {
    props:{
        titles:{
            type:Array,
            default(){
                return[]
            }
        },
    },
    data() {
        return {
            currentIndex:0
        }
    },
    methods: {
        itemClick(index){
            this.currentIndex = index
            this.$emit('tabClick',index)
        },
    },
}
</script>

<style>
    .tab-control{
        display: flex;
        text-align: center;
        font-size: 15px;
        height: 40px;
        line-height: 40px; 
        background-color: #fff;
    }

    .tab-control-item{
        flex: 1;
    }

    .tab-control-item span{
        padding: 5px;
    }

    .active{
        color: var(--color-high-text);
    }

    .active span{
        border-bottom: 3px solid var(--color-tint);
    }
</style>